正數區帶 的英文怎麼說

中文拼音 [zhēngshǔqūdài]
正數區帶 英文
plus zone
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 區 : 區名詞（姓氏） a surname
  • 正數 : [數學] positive number
  1. The paper establishes a ecological transect, with a length of 90 km and width of 16 km, utilizing the part of tm data on 16th august 1998, from harbin to the natural secondary forests in maoershan, heilongjiang province. with supervised classification, the tm data which had been corrected and enhanced via erdas, combining the data of gps in the field, was classified by seven types including : residential area, glebe, paddy field

    本論文利用1998年8月16日的tm衛星數據的一部分，設置從黑龍江省哈爾濱市到帽兒山天然次生林區，長90km ，寬16km的生態研究樣帶。通過用erdas對衛星數據的校正、圖像增強等處理，結合gps野外實地調查數據，進行有監督分類。共分為7種類型：居民點、旱田、水田、河流、灌叢、闊葉林、針葉林，並建立了衛星影像分類解譯標志。
  2. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點，本文主要研究了以下幾個方面的內容： 1 、對以往山前帶地震攻關成果開展調研工作，分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性； 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法：如何建立復雜構造帶的表層、深層地震地質模型，利用正演分析目標區的觀測系統；針對逆掩推覆體構造，如何分區分段有針對性設計觀測系統等； 3 、針對復雜地表條件的山地山前帶，如何選擇激發方式、參數，如何優選激發、接收環境，如何保證不同激發方式的資料能正常拼接； 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  3. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體，主要分佈在兩個區域；火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近，或近日距離接近甚至小於日地平均距離，其運動可深入到地球軌道的內部，這將導致該類小行星與地球（還有金星、火星等）十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難，包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法（包括辛演算法）計算效果的比較，根據小天體運動自身的特性，給出了相應處理措施，從而可提高計算結果的可靠性
  4. The circulation of positive pna index pattern is prominent in the case of persistent forcing of negative ssta in west wind drift region or positive ssta in tropical eastern pacific, which is the typical ssta pattern during el nino peak - mature phase

    西風漂流區持續負ssta時或者熱帶中東太平洋持續正ssta時，阿留申低壓均有所加強，正pna指數型的大氣環流特徵顯著。而當相反符號的ssta持續作用時，大氣中阿留申低壓減弱，對應pna指數為負。
  5. This paper has described relative information of gold depositions genesis and hunting besed on studying characteristic of occurrence and appearance, compositions of trace elements, cell parameters, thermoelectricity, ir spectroscope with pyrite in huang - sha gold depositon of jiangxi. it can be provided important scientific basis for evaluation this deposition and hunting a similar ore point or zone in huang - sha region

    通過對江西黃沙金礦床中黃鐵礦的產狀及形態特徵、成分特徵、晶胞參數特徵、熱電性、紅外光譜特徵等礦物學的詳細研究，討論了黃沙礦中蘊藏的金礦成因及找礦信息，為正確評價該礦床和在該區找尋新的金礦點（帶）提供了重要的依據。
  6. Afterthe 24 / 7 era with the belt, which saw hundreds of title changes withinmere months, rob van dam entered the company, and after a fantasticmatch at invasion in 2001, the tile was back on solid ground, withgenuinely good matches showcasing off the no - limits hardcore style, with minimal weapon usage, and creative use of both weapons and thering area

    經過24 / 7時代，隨著帶中，出現了數以百計的所有權變動短短幾個月，搶劫麵包車大壩進入公司，而經過一段奇妙比賽入侵2001年瓷磚回到腳踏實地，真正好的比賽中展示過的無界限死硬作風，最小武器用法，並創造性地使用武器和環區
  7. On base of results above, composite model of ssta in pacific and circulation anomaly are constructed for analysis their evolution. during mature phase of el nino usually in winter, positive ssta dominates in tropical eastern ocean and negative ssta dominates in west wind drift district in mid - latitude ocean, correspondingly the pna index of 500 hpa geopotential height is positive which means the aleutian low gets strong, and the situation is somewhat inversely during la nina phase of ssta

    合成位相反映了太平洋ssta演變特徵，以及相對應的大氣環流異常特徵：當西風漂流區處于暖態而熱帶中東太平洋海溫偏低時，合成大氣模型當中阿留申低壓減弱， 500hpapna指數為負異常；當西風漂流區處于冷態，熱帶中東太平洋處于暖態（ elnino峰值?成熟期ssta典型分佈） ，合成大氣模型中阿留申低壓加強， 500hpapna指數為正異常。
  8. Lastly, using four - parameter bohr - mottelson formula, we analyzed some ground rotational bands of even - even nuclei. the nuclei included superdeformed ( sd ) nuclei in a - 150, 190 regions and normal deformed ( nd ) nuclei in actinide and rare - earth

    三、利用bohr - mottelson的i （ i + 1 ）四參數展開式分析了a 150 ， 190偶偶核超形變帶和錒系、稀土區偶偶核正常形變轉動帶。
  9. It is a novel short - distance wireless communication technique, in which data are transferred using non - sinusoidal pulses with very short duration, so it is fit for using in indoor environments which is a typical multipath environment. and it can be coexisted with the existing wireless communication systems at the same frequency band

    超寬帶通信系統利用納秒至皮秒級的非正弦波窄脈沖傳輸數據，非常適合作為城區及室內密集多徑環境下的應用，並且能夠與現有的傳統窄帶系統共存。
  10. This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved

    本文提出了一種採用修補spwm正弦表值的方法，用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變；逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器，提高了系統的動態響應指標；系統設計了完善的保護措施，並具有市電電網的故障診斷功能。
  11. The digital signal processing, with its superior performances over the analog processing, has drawn wide attentions in the engineering area provide an idea development mode for electronic reconnaissance system, which is different form the communication system in its wide - band processing

    數字處理比模擬處理有更優越的性能，正受到工程界越來越多的關注。通信領域軟體無線電的成功應用為電子偵察系統的發展提供了一種理想的模式。電子偵察系統與通信系統最大的區別在於寬帶處理。
  12. In one side, the study may make the simulating model of climatology and land - biosphere more perfect, in the other side, the study will help to discover the real action of vegetation in the global carbon circle, which gives the more scientific method to estimate accurately biomass and net primary production ( npp ) of ecosystem and how much carbon in atmosphere absorbed by vegetation, to predict the possible impact of global climate change on terrestrial ecosystems, and to make scientific strategies for the global change

    一方面可以為進一步建立更完善的模擬氣候與陸地生物圈之間關系的數值模式奠定基礎，另一方面可為探索植被在全球碳循環中的具體作用，正確地評估和預測全球氣候變化對生態環境的可能影響，制定相應的政策提供科學依據。本文以寒溫帶落葉針葉林區為重點來進行試驗模擬，研究植被對氣候強迫響應的有效途徑。
  13. Based on researching the relation of the parameters of bohr - mottelson rotational spectra formula from two - parameter harris formula, in this thesis three - parameter harris formula was used and a new ralation of the parameters of bohr - mottelson rotational spectra formula was brought forward. four - parameter i ( i + 1 ) expansion was used to calculate superdeformed ( sd ) bands of even - even nuclei in a ~ 60, 80, 130, 140, 150, 190 regions and normal deformed ( nd ) bands of nuclei in actinide and rare - earth, the relation of the parameters was discussed. comparatively, the new relation is consistent with experiment

    利用harris兩參數公式研究bohr - mottelson轉動譜公式參數之間的關系的墓礎上，改用harris三參數公式，並由此提出了bohr - mottelson轉動譜公式參數之間的新關系式，進而用i （ i + 1 ）四參數展開式計算了a 60 ， 80 ， 130 ， 140 ， 150 ， 190區超形變偶偶核的基帶和錒系和稀土區正常形變核基帶，討淪了參數之間的關系，發現新關系式與實驗較好地符合。
  14. Firstly, a weak formulation of this problem is derived. the existence, uniqueness and regularity of its solution are discussed. next, the mixed legendre - hermite polynomial approximation in non - isotropic sobolev space is proposed

    首先，我們在第二章中討論無窮帶狀區域上熱傳導方程的弱形式及其解的存在性，唯一性和正則性，這種弱形式適合於數值計算。
  15. The stability perturbation bounds of a single - input - single - output system with both parametric and dynamic uncertainties is studied. the parametric uncertainties of the systems are described by interval perturbation mode, and the dynamic uncertainties are characterized by an integral quadratic constraint. based on the concepts of the minkowski functional, the problem of stability perturbation bounds is discussed, and for different uncertainty structures of the systems, the infinite stability checking problem of the mixed uncertain system can be converted to finite vertex - checking results and the edge - checking results

    系統的正向通道為帶有參數不確定性的線性系統，其不確定性為區間攝動模式，反饋通道為由積分二次約束給出的輸入輸出不確定性加以描述。用minkowski泛函給出區間攝動模式下的攝動界的定義，並給出參數空間中混合攝動模式下系統攝動界的估計式。
  16. The form of non - essential joint and several liability can be classified and arranged by the regulation of permutation and combinations in maths. as a special responsible form, it has common with some people tort without joined intent, joint dangerous behavior, third person encroaching on creditor ' s rights, and so on

    不真正連帶債務的形態可以用數學中的排列組合規律做出系統分類和整理;作為一種特殊的責任形態，其與無意思聯絡的數人侵權、共同危險行為、第三人侵害債權等既有共性，但又存在著顯著的區別。
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